Hamburg weather in September
September in Hamburg: nice, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Hamburg · #198 of 604 destinations to visit in September · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Hamburg climate normals — September
| Daytime high | 20°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 50 mm / 2 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 11°C / 52°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 12.7 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hamburg in September — FAQ
- Is September a good time to visit Hamburg?
- September in Hamburg: nice, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Hamburg on SeasonMap's comfort score (85/100).
- What is the weather like in Hamburg in September?
- In September, Hamburg averages a daily high of 19.5°C and a low of 11.6°C, with about 50.4 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Hamburg in September?
- Hamburg has a mean US Air Quality Index of about 46 in September.